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Official data from INPI

FECHO MECÂNICO.

ConcedidaUtility Model

Application data

Number

MU6300712

Type

Utility Model

Filing

05/30/1983

Publication

09/27/1983

Progress at the INPI

  1. Filing05/30/83
  2. Publication09/27/83
  3. Examination11/29/83
  4. Allowance04/08/86
  5. Grant12/30/86
  6. Expired11/22/94

The letters patent expired on 11/22/1994: the term of protection has ended. The technology is in the public domain and may be freely used in Brazil.

Talk to a specialist

Latest action published by the INPI: 12/30/1986. We update with every new RPI gazette, published weekly.

Applicants and inventors

Applicants

Delfi Indústria Metalúrgica Ltda

Inventors

J. K. (pessoa física)

Technical data

IPC Classification

Prosecution history

Publications in the Brazilian Industrial Property Gazette (RPI).

Concessão da patente

#16.1

12/30/1986

RPI 845

Notificação para pagamento de retribuição

#13.1

08/12/1986

RPI 825

Deferimento

#9.1

04/08/1986

RPI 807

Republicação - classificação IPC

#15.11

07/02/1985

RPI 767

Exigência - art. 36 da LPI

#6.1

05/21/1985

RPI 761

Solicitação de exame técnico

#4.1

11/29/1983

RPI 684

Publicação antecipada

#3.2

09/27/1983

RPI 675

Pedido de patente depositado

#2.1

07/12/1983

RPI 664

Carta-patente expirada

#21.1

11/22/1994

RPI 1251

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